The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A025723 as a simple table

n a(n)
0 1
1 3
2 6
3 10
4 15
5 22
6 30
7 39
8 49
9 60
10 73
11 87
12 102
13 118
14 135
15 154
16 174
17 195
18 217
19 240
20 265
21 291
22 318
23 346
24 376
25 407
26 439
27 472
28 506
29 542
30 579
31 617
32 656
33 696
34 738
35 781
36 825
37 870
38 916
39 964
40 1013
41 1063
42 1114
43 1166
44 1220
45 1275
46 1331
47 1388
48 1447
49 1507
50 1568
51 1630
52 1693

[1,3,6,10,15,22,30,39,49,60,73,87,102,118,135,154,
 174,195,217,240,265,291,318,346,376,407,439,472,
 506,542,579,617,656,696,738,781,825,870,916,964,
 1013,1063,1114,1166,1220,1275,1331,1388,1447,1507,
 1568,1630,1693]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 17 06:41 EDT 2024. Contains 373432 sequences. (Running on oeis4.)